teamviewer_setup.exe

TeamViewer

Innovative Systems LLC

The application teamviewer_setup.exe by Innovative Systems has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from teamviewer.joydownload.com and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
TeamViewer

Version:
1.0.0.0

MD5:
65681b6b9fe7795aae5d36d9cb3c9ea9

SHA-1:
de0f7674139886b57cdf63f1d6e542e7e4cd61ae

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
12/26/2024 12:40:47 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.11.14

Avira AntiVirus
APPL/Downloader.Gen
7.11.185.150

AVG
OpenCandy
2015.0.3279

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.141126

Clam AntiVirus
Win.Trojan.Agent-803351
0.98/21411

Dr.Web
Adware.OpenCandy.55
9.0.1.0330

ESET NOD32
Win32/JoyDownloader
8.10723

Malwarebytes
PUP.Optional.OpenCandy
v2014.11.26.11

McAfee
Artemis!65681B6B9FE7
5600.6935

Reason Heuristics
PUP.Installer.InnovativeSystems.Q
14.11.26.11

Trend Micro House Call
Suspicious_GEN.F47V1029
7.2.330

File size:
496.5 KB (508,384 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\teamviewer_setup.exe

Digital Signature
Authority:
Thawte, Inc.

Valid from:
9/19/2014 4:00:00 AM

Valid to:
9/20/2015 3:59:59 AM

Subject:
CN=Innovative Systems LLC, O=Innovative Systems LLC, L=Dnepropetrovsk, S=Dnepropetrovska, C=UA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
09A91C40EAE34E72CD975B0B218AE4BA

File PE Metadata
Compilation timestamp:
5/20/2013 3:52:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:OQ1yJfmEopmmfpo9CX/6Wdi5RzDL2xNJ69S1IcLTbceUYQ/EiR:f1ydtMfpowSsWM6oBkXh/Ea

Entry address:
0x331F

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, D8, 7A, 7A, 00, E8, A8, 2E, 00, 00, A3, 24, 7A, 7A, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, D0, EE, 79, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 20, 6A, 7A, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 20, 7B, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8674

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file teamviewer_setup.exe has been seen being distributed by the following 3 URLs.

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